Persicaria lapathifolia

curlytop knotweed, curl-top smartweed, pale smartweed, dock-leaved smartweed
Family

Polygonaceae

Leaf Attachment

petiolate

Leaf Type

simple

Leaf Shape

elliptic, lanceolate, ovate, subrhombic

Growth Form

forb

Flower Color

pink, purple, white

Flower Month

July - October

Height (meters)

0.8 - 1.5

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

introduced

Lifespan

annual


Wetland Class

FACW

Field Characters

Anchor shaped veins in the outer members of the perianth. White flowers, spike curled downward. No hairs on sheath or stem.

Habitat

Alluvial fields, river banks and disturbed areas. Damp areas, often ditches.